• Country
• United States of America (USA)

• Manufacturer / Brand
• Sterling Manuf. Co.; Cleveland, Ohio

• Year
• 1928

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 60020

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 1

• Valves / Tubes
• BH

• Power type and voltage
• Alternating Current supply (AC) / 110 Volt

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Plate & Grid Voltage Supply R-97 - Sterling Manuf. Co.; Cleveland

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 3 = 1933 and before

• Mentioned in
• Rider's 3-4

• Other Models

• Here you find 60 models, 37 with images and 31 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sterling Manuf. Co.; Cleveland, Ohio